2524542512440 has 256 divisors, whose sum is σ = 6397603430400. Its totient is φ = 890257305600.

The previous prime is 2524542512411. The next prime is 2524542512473. The reversal of 2524542512440 is 442152454252.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2524542512393 and 2524542512402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 516369516 + ... + 516374404.

It is an arithmetic number, because the mean of its divisors is an integer number (24990638400).

Almost surely, 2^{2524542512440} is an apocalyptic number.

2524542512440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2524542512440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3198801715200).

2524542512440 is an abundant number, since it is smaller than the sum of its proper divisors (3873060917960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2524542512440 is a wasteful number, since it uses less digits than its factorization.

2524542512440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358 (or 5354 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 2524542512440 its reverse (442152454252), we get a palindrome (2966694966692).

The spelling of 2524542512440 in words is "two trillion, five hundred twenty-four billion, five hundred forty-two million, five hundred twelve thousand, four hundred forty".